DE59902235D1 - Markierungseinrichtung - Google Patents

Markierungseinrichtung

Info

Publication number
DE59902235D1
DE59902235D1 DE59902235T DE59902235T DE59902235D1 DE 59902235 D1 DE59902235 D1 DE 59902235D1 DE 59902235 T DE59902235 T DE 59902235T DE 59902235 T DE59902235 T DE 59902235T DE 59902235 D1 DE59902235 D1 DE 59902235D1
Authority
DE
Germany
Prior art keywords
coding
magnetic
marking device
layer
areas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE59902235T
Other languages
English (en)
Inventor
Wolfgang Eberhardt
Jan Morenzin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungszentrum Juelich GmbH
Original Assignee
Forschungszentrum Juelich GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Forschungszentrum Juelich GmbH filed Critical Forschungszentrum Juelich GmbH
Priority to DE59902235T priority Critical patent/DE59902235D1/de
Application granted granted Critical
Publication of DE59902235D1 publication Critical patent/DE59902235D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/125—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by magnetic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
    • G06K19/06196—Constructional details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
DE59902235T 1998-11-13 1999-11-03 Markierungseinrichtung Expired - Lifetime DE59902235D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59902235T DE59902235D1 (de) 1998-11-13 1999-11-03 Markierungseinrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19852368A DE19852368A1 (de) 1998-11-13 1998-11-13 Markierungseinrichtung
PCT/EP1999/008433 WO2000030029A1 (de) 1998-11-13 1999-11-03 Markierungseinrichtung
DE59902235T DE59902235D1 (de) 1998-11-13 1999-11-03 Markierungseinrichtung

Publications (1)

Publication Number Publication Date
DE59902235D1 true DE59902235D1 (de) 2002-09-05

Family

ID=7887683

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19852368A Withdrawn DE19852368A1 (de) 1998-11-13 1998-11-13 Markierungseinrichtung
DE59902235T Expired - Lifetime DE59902235D1 (de) 1998-11-13 1999-11-03 Markierungseinrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19852368A Withdrawn DE19852368A1 (de) 1998-11-13 1998-11-13 Markierungseinrichtung

Country Status (9)

Country Link
US (1) US6609663B1 (de)
EP (1) EP1138016B1 (de)
JP (1) JP2002530849A (de)
AT (1) ATE221684T1 (de)
DE (2) DE19852368A1 (de)
DK (1) DK1138016T3 (de)
ES (1) ES2178490T3 (de)
PT (1) PT1138016E (de)
WO (1) WO2000030029A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008097A1 (de) 2000-02-22 2001-09-20 Forschungszentrum Juelich Gmbh Markierungseinrichtung sowie Verfahren zum Auslesen einer solchen Markierungseinrichtung
CN106778989B (zh) * 2016-11-22 2020-04-21 中钞特种防伪科技有限公司 防伪元件及防伪产品

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
ATE172047T1 (de) 1986-07-08 1998-10-15 Canon Kk Magnetoptisches aufzeichnungsmedium mit der möglichkeit des überschreibens mit zwei oder mehr magnetschichten und dieses medium verwendende aufzeichnungsmethode
DE68926826T2 (de) 1988-02-22 1996-12-12 Canon Kk Zweischichtiger magneto-optischer Aufzeichnungsträger mit einer Schicht niedriger Koerzitivkraft, bestehend aus Gd und mindestens Tb oder Dy
DE3820475C1 (de) 1988-06-16 1989-12-21 Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De
JP2556563B2 (ja) 1988-10-11 1996-11-20 キヤノン株式会社 光磁気記録媒体
US5163031A (en) 1988-12-07 1992-11-10 Canon Kabushiki Kaisha Method of recording tetra-value signal on magneto-optical recording medium with plural magnetic layers
JP2910250B2 (ja) 1990-12-27 1999-06-23 ソニー株式会社 光磁気記録媒体
US5159513A (en) 1991-02-08 1992-10-27 International Business Machines Corporation Magnetoresistive sensor based on the spin valve effect
JPH06243522A (ja) * 1993-02-16 1994-09-02 Nikon Corp 光磁気ディスク及びその再生方法
US5480685A (en) * 1993-10-22 1996-01-02 Tomoegawa Paper Co., Ltd. Method of making a magnetic recording medium comprising two magnetic layers
US5538803A (en) 1994-11-23 1996-07-23 International Business Machines Corporation Multibit tag using Barkhausen effect
JP2933841B2 (ja) * 1994-12-22 1999-08-16 沖電気工業株式会社 情報記録媒体、情報記録・再生方法および情報記録・再生装置

Also Published As

Publication number Publication date
ES2178490T3 (es) 2002-12-16
US6609663B1 (en) 2003-08-26
ATE221684T1 (de) 2002-08-15
DE19852368A1 (de) 2000-05-25
WO2000030029A1 (de) 2000-05-25
PT1138016E (pt) 2002-11-29
DK1138016T3 (da) 2002-11-11
JP2002530849A (ja) 2002-09-17
EP1138016B1 (de) 2002-07-31
EP1138016A1 (de) 2001-10-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition